The elm zigzag sawfly has spread to 15 states in five years. Now it's attacking the tree that cities planted to replace Dutch ...

Parasitoid wasps have evolved a sophisticated interplay with viruses that has profoundly influenced both their genomes and their ecological success. This relationship is exemplified by the integration ...

This fossil is 13 million years older than any ant fossil found before—and reveals a sophisticated predator that lived alongside the dinosaurs. The hell ant existed over 100 million years ago, ...